This Porsche 911 RS bumper is GT Racings reproduction of the Porsche factory's original bumper/spoiler with removable 4 1/8" X 19 1/2" oil cooler blank. Bumper measures 8 1/2" deep. This bumper fits stock "Early" fenders or GT Racing part #29. Average Weight 6 lbs. Note: GT Racing also recommends buying the grill if not using the cooler blank (part #8).